The 5P-27 "Furke" is a ship-based 3D air and surface search

radar Radar is a system that uses radio waves to determine the distance ('' ranging''), direction ( azimuth and elevation angles), and radial velocity of objects relative to the site. It is a radiodetermination method used to detect and track ...

system designed and produced by the

VNIIRT VNIIRT - All-Russian Scientific Research Institute of Radio Engineering () is a Russian manufacturer of air surveillance radars. It is part of the Almaz-Antey holding. VNIIRT is the primary Russian designer of ground-based air surveillance radars. ...

(as a part of

Almaz-Antey JSC Concern VKO "Almaz-Antey" () is a Russian state-owned company in the arms industry, a result of a merger of Antey Corporation and NPO Almaz, unifying some of the national military enterprises, in particular, the developers of anti-airc ...

) for the

Russian Navy The Russian Navy is the Navy, naval arm of the Russian Armed Forces. It has existed in various forms since 1696. Its present iteration was formed in January 1992 when it succeeded the Navy of the Commonwealth of Independent States (which had i ...

. It is designed for detection, tracking, identification and targeting of air and sea vehicles, including low-flying

aircraft An aircraft ( aircraft) is a vehicle that is able to flight, fly by gaining support from the Atmosphere of Earth, air. It counters the force of gravity by using either Buoyancy, static lift or the Lift (force), dynamic lift of an airfoil, or, i ...

and

sea-skimming Sea skimming is a technique many anti-ship missiles and some fighter or strike aircraft use to avoid radar and infrared detection and to lower the probability of being shot down during their approach to the target. Method Sea-skimming anti-s ...

cruise missile A cruise missile is an unmanned self-propelled guided missile that sustains flight through aerodynamic lift for most of its flight path. Cruise missiles are designed to deliver a large payload over long distances with high precision. Modern cru ...

s. The radar incorporates a semi-active

phased array In antenna (radio), antenna theory, a phased array usually means an electronically scanned array, a computer-controlled Antenna array, array of antennas which creates a radio beam, beam of radio waves that can be electronically steered to point ...

digital signal processing Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations. The digital signals processed in this manner are a ...

, mechanical

azimuth An azimuth (; from ) is the horizontal angle from a cardinal direction, most commonly north, in a local or observer-centric spherical coordinate system. Mathematically, the relative position vector from an observer ( origin) to a point ...

scanning (30 rpm), electronic

elevation The elevation of a geographic location (geography), ''location'' is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational equipotenti ...

scanning and is able to operate in any

weather Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloud cover, cloudy. On Earth, most weather phenomena occur in the lowest layer of the planet's atmo ...

conditions. The "''Furke"'' is used on

Steregushchiy-class corvette The ''Steregushchiy'' class (), Russian designation Project 20380, is a ship class, class of corvettes being built for the Russian Navy. Designed by the Almaz Central Marine Design Bureau, subsequent vessels were built to an improved design (Pr ...

s, and is a ship-based variant of the ''1РС1-1Е'' radar of

Pantsir-S1 The Pantsir () missile system is a family of self-propelled, medium-range surface-to-air missile and anti-aircraft artillery systems. Three types of vehicles make up one system: a missile launcher, a radar truck and a command post. Starting with ...

air defense complexes.

Variants

References

{{Soviet and Russian radars, state=expanded Naval radars Military equipment introduced in the 2000s